Multi-distance phase retrieval with a weighted shrink-wrap constraint
Multi-distance phase retrieval with a weighted shrink-wrap constraint
复制标题
具有加权收缩包裹约束的多距离相位检索
DOI:
10.1016/j.optlaseng.2018.09.017
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发表时间:
2019-02
影响因子:
4.6
通讯作者:
Zhengjun Liu
中科院分区:
文献类型:
--
作者:
Cheng Guo;Yixuan Zhao;Jiubin Tan;Shutian Liu;Zhengjun Liu
Multi-distance phase retrieval enables a full wavefront recovery with a set of defocused intensity patterns. However, the convergence speed of multi-distance phase retrieval is restricted by a stagnant issue, which leads to a low imaging contrast for visual observation. We propose an acceleration scheme to solve this problem. A shrink-wrap constraint is imposed to obtain an efficient support region. In support region, a weighted feedback strategy is used to speed up the convergence. In non-support region, an attenuated term is introduced to eliminate redundant data. With this combined constraint, imaging contrast and convergence speed are both enhanced observably. Simulations and experiments demonstrate the validity of this acceleration scheme in a lensfree imaging system. The proposed method can both reduce the workload of experimental data acquisition and computational load.
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影响因子:
4.6
作者:
Wang M;Feng S;Wu J
通讯作者:
Wu J
影响因子:
4.6
作者:
Cheng Guo;Cheng Shen;Jiubin Tan;Xuejing Bao;Shutian Liu;Zhengjun Liu
通讯作者:
Zhengjun Liu
影响因子:
6.1
作者:
Bishara W;Sikora U;Mudanyali O;Su TW;Yaglidere O;Luckhart S;Ozcan A
通讯作者:
Ozcan A
影响因子:
4.6
作者:
Soumaya Kara-Mohammed;L. Bouamama;P. Picart
通讯作者:
Soumaya Kara-Mohammed;L. Bouamama;P. Picart
影响因子:
3.6
作者:
Singh, Alok Kumar;Faridian, Ahmad;Osten, Wolfgang
通讯作者:
Osten, Wolfgang